Home / 926,441.10-1,389,661.65-328,077.90

Finding the Fourth Proportional to 926,441.10, 1,389,661.65 and 328,077.90

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Solution

The fourth proportional to 926,441.10, 1,389,661.65 and 328,077.90 is: 492,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,441.10 : 1,389,661.65 = 328,077.90 : x
  2. Step 2: Convert to fraction form
    926,441.10/1,389,661.65 = 328,077.90/x
  3. Step 3: Cross multiply
    926,441.10x = 1,389,661.65 × 328,077.90
  4. Step 4: Simplify right side
    926,441.10x = 455,917,275,842.54
  5. Step 5: Solve for x
    x = 455,917,275,842.54/926,441.10
  6. Step 6: Final answer
    x = 492,116.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.